Refactor the jwt_security decorator to use the dynamic configuration of authlib

[pboers1988]

Is your feature request related to a problem? Please describe. At this point in time the user must setup their own certificate chain to verify tokens produced by the auth-poc-service. This is not very secure as a lot of deployment probably use the built in certificates.

Describe the solution you'd like Refactor the jwt_security decorator to use the dynamically retrieved configuration and certificates used in issue #310